Patent Assignment
Reel/Frame 026410/0017
Assignment of Assignor's Interest
Recorded: 2011-06-08
Pages: 3
Assignors
CHANG, KIN-TAI
Executed: 2011-06-07
WELLS, KIRK E.
Executed: 2011-06-08
MELLO, JESSE V.
Executed: 2011-06-07
Assignee
NALCO COMPANY
1601 W. DIEHL ROAD, NAPERVILLE, ILLINOIS, 60563-1198
Covered Property
(1)
Environmentally Friendly Dispersion System Used in the Preparation of Inverse Emulsion Polymers
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Sep 20, 2017
From: NALCO COMPANY
To: NALCO COMPANY LLC
Reel/Frame 043924/0587 →
Assignment of Assignor's Interest
Nov 1, 2017
From: NALCO COMPANY LLC
To: ECOLAB USA INC.
Reel/Frame 044347/0104 →
Security Interest
Jun 5, 2020
From: CHAMPIONX USA INC.
To: BANK OF AMERICA, N.A.
Reel/Frame 052848/0368 →
Security Interest
Jun 5, 2020
From: CHAMPIONX USA INC.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 053250/0001 →
Assignment of Assignor's Interest
Mar 24, 2022
From: ECOLAB USA INC.
To: CHAMPIONX USA INC.
Reel/Frame 059496/0523 →
Release of Security Interest
Jun 7, 2022
From: BANK OF AMERICA, N.A.
To: CHAMPIONX USA INC.
Reel/Frame 060304/0267 →
Release of Security Interest in Patents
Jul 17, 2025
From: JPMORGAN CHASE BANK, N.A.
To: CHAMPIONX LLC; APERGY ESP SYSTEMS, LLC; APERGY BMCS ACQUISITION CORP; HARBISON-FISCHER, INC.
Reel/Frame 072004/0019 →